Home / 2,704.18-4,054.82-1,387.39

Finding the Fourth Proportional to 2,704.18, 4,054.82 and 1,387.39

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Solution

The fourth proportional to 2,704.18, 4,054.82 and 1,387.39 is: 2,080.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,704.18 : 4,054.82 = 1,387.39 : x
  2. Step 2: Convert to fraction form
    2,704.18/4,054.82 = 1,387.39/x
  3. Step 3: Cross multiply
    2,704.18x = 4,054.82 × 1,387.39
  4. Step 4: Simplify right side
    2,704.18x = 5,625,599.65
  5. Step 5: Solve for x
    x = 5,625,599.65/2,704.18
  6. Step 6: Final answer
    x = 2,080.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.